Soccer Links: 
National Soccer Hall of Fame 
Fédération Internationale de Football Association (FIFA) 
US Soccer Federation 
United States Futsal Federation (USFF; Indoor Soccer) 
Soccer.com 
Soccer Club 
Soccer Times 
Soccer Store 
Big Soccer 
Soccer America Magazine 
La Cancha 
Info Sports - Soccer 
U.S. National Soccer Players 
The Soccer Patch 
GoComics - Cleats

Coaching, Goalkeeping & Refereeing: 
FIFA - Laws of the Game 
Simplified Rules of the Game 
AYSO - Small-Sided Games 
National Soccer Coach Association of America (NSCAA) 
Better soccer more fun 
Eteamz.com Soccer 
Soccer ROM 
World of Soccer 
World Class Coaching 
Soccer Clinics 
Positive Coaching Alliance 
Positive Sport Coaching 
SOCCER-COACH-L Basic Coaching Manual 
Ask the Ref

Soccer Books: 
Soccer Books Ltd.

Professional:
Major League Soccer (MLS) 
United Soccer League (MLS2)
North America Soccer League (NASL)
US Amateur Soccer Association (USASA)
National Women's Soccer League (NWSL)

College: 
National Intercollegiate Soccer Officials Association (NISOA) 
The Sport Source 
Columbia Lions men's & women's 
Fordham Rams men's & women's 
Iona men's & women's 
Manhattanville Valiants men's & women's 
Rutgers Scarlet Knights men's & women's 
St. Johns Red Storm men's & women's 
Army (West Point) Black Knights men's & women's

General Sports & Sportsmanship: 
Gatorade Sports Science Institute 
National Alliance for Youth Sports (NAYS) 
Josephson Institute of Ethics 
Student Ambassadors 
Women's Sports Foundation